chore: add is-ci dev dependency

Author: KyleRoss

package-lock.json

@@ -49,6 +49,7 @@
     "eslint": "^7.23.0",
     "eslint-config-xo-space": "^0.27.0",
     "husky": "^6.0.0",
+    "is-ci": "^2.0.0",
     "jest": "^26.6.3",
     "semantic-release": "^17.4.2"
   },